Single-cell Li-ion / Li-polymer Battery Protection IC
Rev. E09-06
A7B Series
PRODUCTS NUMBERING GUIDE
A7B
0V battery charge function
A : Acceptable
B : Unacceptable
Detection delay time
Serial code from A to Z
A : Standard value
B to Z : Depend upon selected value by customer
Detection voltage
Delivery form
Serial code from 00 to 99
* Depend upon selected value by customer
C : Chip in tray
W : 5 inches wafer
E : SOT-26
N : SON-5
STANDARD MODELS LINE-UPS
Model No.
A7BE01AA
A7BE02AA
A7BE03AA
A7BE04AA
Selectable items
Over-charge detection voltage 1)
4.275V
0.20V
4.280V
0.20V
4.290V
0.20V
4.325V
0.25V
Over-charge hysteresis voltage 2)
Over-discharge detection voltage 3)
Charge over-current detection voltage 4)
Discharge over-current detection voltage 5)
Over-charge detection delay time 6)
Over-discharge detection delay time 6)
Charge over-current detection delay time 6)
0V battery charge function
2.300V
–0.100V
0.100V
1.0s
2.300V
–0.100V
0.100V
1.0s
2.300V
–0.100V
0.100V
1.0s
2.500V
–0.150V
0.150V
1.0s
31.0ms
8.0ms
31.0ms
8.0ms
31.0ms
8.0ms
31.0ms
8.0ms
Acceptable
Acceptable
Acceptable
Acceptable
Note : The value of detection voltage and delay time can be changed by customer’s request. For details, please contact us.
1) The over-charge detection voltage can be selected in the range 4.0V to 4.5V in 5mV steps.
2) The over-charge hysteresis voltage can be selected in the range 0.0V to 0.4V in 50mV steps.
3) The over-discharge detection voltage can be selected in the range 2.0V to 3.0V in 5mV steps.
4) The charge over-current detection voltage can be selected in the range –0.25V to –0.05V in 5mV steps.
5) The discharge over-current detection voltage can be selected in the range 0.05V to 0.40V in 5mV steps.
6) The delay time can be changed within the value listed below.
Delay time
Symbol
tc
Selectable value
1.0s
Over-charge detection delay time
0.125s
31ms
8.0ms
3.75s
1.0s
Over-discharge detection delay time
Charge over-current detection delay time
* The value in bold is set for standard products
tdc
125ms
tic
125ms
AnaSem Inc.
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